QString dateString = "2021-08-19T17:12:35"; QDateTime dateTime = QDateTime::fromString(dateString, "yyyy-MM-ddThh:mm:ss");
QDateTime dateTime = QDateTime::currentDateTime(); qint64 timestamp = dateTime.toSecsSinceEpoch();
QDateTime dateTime1 = QDateTime::currentDateTime(); QDateTime dateTime2 = QDateTime::fromString("2021-08-19T17:12:35", "yyyy-MM-ddThh:mm:ss"); if (dateTime1 > dateTime2) { // do something }These examples are written in C++, which means that the QVariant library is likely included in a package library that is specific to the Qt framework.